220812728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{55987}}^1$

素因数の和:56039

約数の個数: 32

約数和(自身を含む): 453502800

約数和(自身を除く): 232690072

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 493, 986, 1972, 3944, 55987, 111974, 223948, 447896, 951779, 1623623, 1903558, 3247246, 3807116, 6494492, 7614232, 12988984, 27601591, 55203182, 110406364, 220812728]

約数ペア:

[(1, 220812728), (2, 110406364), (4, 55203182), (8, 27601591), (17, 12988984), (29, 7614232), (34, 6494492), (58, 3807116), (68, 3247246), (116, 1903558), (136, 1623623), (232, 951779), (493, 447896), (986, 223948), (1972, 111974), (3944, 55987)]